factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009028269341 420 digits created 2026-07-31

Value

384108041197268930599406015633913679253209764838176636475377716110307831276959453320974822492333494762128151603505517813378756202926207123513568897641100056405099082766733717713385200720740732796763350528719948652175828905579523000934733622226213255175699958085876486886726745208548927439357140722203803723068112217621577400500006334862657362061658990311442992627066093050558456107151502035907753095316495634027954973697
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,200-digit prime (100 intermediate primes).

Certified number1,200-digit prime
Certificatedownload
Certificate chainshow step 67 of 100

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028269341 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009028269341},"decimal":true,"detail":2}}'